The ocean is the main regulator of co2 in the atmosphere because co2 can dissolve easily in it
Answer:Earth
Explanation:It is actually earth since we have living organisms
Answer;
-Matrix
Explanation;
Matrix is used to maintain artificial wall around the tooth preparation.
Cavity preparation is the mechanical alteration of a tooth to receive a restorative material which will return the tooth and area to proper form, function and esthetics.
-Objectives of cavity Preparation: remove all defects and give the necessary protection to the pulp, locate the margins of the restoration as conservatively, form the cavity so that under the forces of mastication the tooth or the restoration will not be displaced and also Allow for the esthetic and functional placement of a restorative material.
Answer:
Saturated fatty acids don't have double bond between two carbon atoms, while in unsaturated fatty acids have atleast one double bond between two carbon atoms.
I've a trick for you to remember this
Saturated → Single Bond (you can remember by The first later of both word i.e., "S")
Unsaturated → Double Bond
<u>-TheUnknownScientist</u><u> 72</u>